The invention discloses a control method of an AC driving hybrid power shunting locomotive. The control method comprises the steps that during running, the locomotive collects the driver controller lever level, the current locomotive speed and the SOC value of a power battery; when the SOC value of the power battery is less than the preset SOC value, a diesel engine charges the power battery; andwhen the SOC value of the power battery is greater than the preset SOC value, whether the diesel engine is started or not is determined according to the power of the locomotive. Through the control method of the AC driving hybrid power shunting locomotive, whether the diesel engine is started or not is determined according to the power of the locomotive; the requirement for high-power traction ofthe locomotive can be met, unnecessary starting of the diesel engine can be avoided; and the service life of the diesel engine is prolonged while the energy-saving effect is achieved.